The Hybrid is an ingenious greenhouse offering the gardening enthusiast a precise balance of 2 advanced virtually unbreakable polycarbonate panels along with a strong, green powder coated, durable rust-resistant aluminum frame, while perfectly designed to fit smaller spaces so you can start growing earlier and continue growing later. The twin-wall roof panels block up to 100% of harmful UV rays and diffuse the direct Sunlight; the crystal-clear side panels offer over 90% light transmission. Strong and attractive, this Hybrid Greenhouse offers years of maintenance free gardening enjoyment.